1 .TH XScreenSaver 1 "10-May-97" "X Version 11"
3 grav - draws a simple orbital simulation
6 [\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-ncolors \fIinteger\fP] [\-delay \fImicroseconds\fP] [\-count \fIinteger\fP] [\-decay] [\-no\-decay] [\-trail] [\-no\-trail]
9 The \fIgrav\fP program draws a simple orbital simulation
12 accepts the following options:
15 Draw on a newly-created window. This is the default.
18 Draw on the root window.
21 If on a color display, pretend we're on a monochrome display.
24 Install a private colormap for the window.
26 .B \-visual \fIvisual\fP
27 Specify which visual to use. Legal values are the name of a visual class,
28 or the id number (decimal or hex) of a specific visual.
30 .B \-ncolors \fIinteger\fP
31 How many colors should be used (if possible). Default 200.
32 The colors are chosen randomly.
34 .B \-count \fIinteger\fP
40 Whether orbits should decay.
46 Whether the objects should leave trails behind them (makes it look vaguely
53 to get the default host and display number.
56 to get the name of a resource file that overrides the global resources
57 stored in the RESOURCE_MANAGER property.
63 Copyright \(co 1993 by Greg Bowering.
65 Permission to use, copy, modify, and distribute this software and its
66 documentation for any purpose and without fee is hereby granted,
67 provided that the above copyright notice appear in all copies and that
68 both that copyright notice and this permission notice appear in
69 supporting documentation.
71 Greg Bowering <greg@smug.student.adelaide.edu.au>, 1993.
73 Ability to run standalone or with \fIxscreensaver\fP added by
74 Jamie Zawinski <jwz@netscape.com>, 10-May-97.